HJC RPHA 1 Red Bull Austin GP Helmet YCRF_sunglasses Knee protector pockets are adjustable

Knee protector pockets are adjustable to two different heights

Integrated temperature level thumb switch

Base: Arctic Rubber shell to provide lightweight flexibility

The Shinko 240 Classic Tire is perfect for riders seeking a vintage look without sacrificing modern performance and durability

or 26mm inner diameter hose size

HJC RPHA 1 Red Bull Austin GP Helmet YCRF_sunglasses Knee protector pockets are adjustableHJC Helmets and Red Bull have been working on launching something extraordinary for motorcycle riders around the world the first ever Red Bull licensed motorcycle helmet. The RPHA 1 was designed and developed after several years of focused efforts and crucial feedback from top world class athletes in MotoGP. HJC's top engineers went to work and created a race bred helmet that is truly worthy of top race circuits around the world. The RPHA 1 is the